Skrotzki, B. G. A., & Astley, W. C. (1954). Electric system operation. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleSkrotzki, Bernhardt G. A., and W. C. Astley. Electric System Operation. New York: McGraw-Hill Book Company, 1954.
Παραπομπή MLASkrotzki, Bernhardt G. A., and W. C. Astley. Electric System Operation. New York: McGraw-Hill Book Company, 1954.
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